Core for a nuclear reactor

ABSTRACT

A REACTOR CORE HAVING TANDEM ARRANGED FUEL REGIONS FOR USE IN A WATER MODERATED NUCLEAR REACTOR. AN UPPER CORE REGION IS FUELED WITH ENRICHED URANIUM OXIDE, WHILE, A LOWER CORE REGION IS FUELED WITH A PLUTONIUM OXIDE. AN INTERMEDIATE CORE REGION CONTAINS NATURAL URANIUM OXIDE.

DEFENSIVE PUBLIGATION' UNITED STATES PATENT OFFICE Published atithe request of the applicant or owner in accordance with the Notice of Dec.f .16, 1969, 869 O.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchasedi tor 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Ofiice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED APRIL 16, 1974 T921,019 CORE FOR A NUCLEAR REACTOR Robert F. Barry, 2524 Haymaker Road, Monroeville, Pa. 15146 Filed Jan. 5, 1973, Ser. No. 321,410 Int. Cl. G21c 3/28 US. Cl. 176-18 3 Sheets Drawing 11 Pages Specifications ENHICHED UINAT U A reactor core having tandem arranged fuel regions for use in a water moderated nuclear reactor. An upper core region is fueled with enriched uranium oxide; while, a lower core region is fueled with a plutonium oxide. An intermediate core region contains natural uranium oxide.

3 Sheets-Sheet '1 R. F. BARRY CORE FOR A UCLEAH REACTOR April 16, 1974 Filed Jan; 5, 1973 P 6, 1974 R. F. BARRY T921,019

CORE FOR A NUCLEAR REACTOR Filed Jan. 5, 1973 5 Sheets-Sheet 2 TOP 33 OF CORE FIG.3

BOTTOM OF CORE April 16, 1974 F, BARRY T9z1,019

CORE FOR A NUCLEAR REACTOR Filed Jan. 5, 1973 3 Sheets-Sheet 5 FIG.4

69696969 ENRICHED U/NAT u Ai- ENRICHEJU 

